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There’s a difference between “pretty good” and understandable.

The phrase “metric space” (more or less) disqualifies anyone without an undergraduate degree in mathematics.

Fortunately a sibling to the parent explains that.

I should have added "for a technical paper". They are generally not written for five year olds, and "metric space" is a term I've seen introduced anywhere between semesters 1 and 3 in most technical Bachelor's degrees.

I’d be shocked if anyone with any kind of post-secondary education in any numerate discipline couldn’t give you at least an informal definition of a metric space. Certainly all the physicists, all the geneticists, all the ML people.

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