-Polishing the advanced categories argument from earlier email drafts into a solid _Less Wrong_ post didn't take that long: by 6 April, I had an almost-complete draft of the new post, ["Where to Draw the Boundaries?"](https://www.lesswrong.com/posts/esRZaPXSHgWzyB2NL/where-to-draw-the-boundaries), that I was pretty happy with.
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+Polishing the advanced categories argument from earlier email drafts into a solid _Less Wrong_ post didn't take that long: by 6 April, I had an almost-complete draft of the new post, ["Where to Draw the Boundaries?"](https://www.lesswrong.com/posts/esRZaPXSHgWzyB2NL/where-to-draw-the-boundaries), that I was pretty happy with.
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+The title (note: "boundaries", plural) was a play off of ["Where to the Draw the Boundary?"](https://www.lesswrong.com/posts/d5NyJ2Lf6N22AD9PB/where-to-draw-the-boundary) (note: "boundary", singular), a post from Yudkowsky's original Sequence on the ways in which words can be wrong.
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+Notably, in "... Boundary?", Yudkowsky asserts (without argument, as something that all educated people already know) that dolphins don't form a natural category with fish ("Once upon a time it was thought that the word 'fish' included dolphins [...] you could stop playing nitwit games and admit that dolphins don't belong on the fish list"). But Alexander's ["... Not Man for the Categories"](https://slatestarcodex.com/2014/11/21/the-categories-were-made-for-man-not-man-for-the-categories/) directly contradicts this, asserting that there's nothing wrong with with biblical word _dagim_ encompassing both fish and cetaceans (dolphins and whales)! So who's right, Yudkowsky or Alexander? Is there a problem with dolphins being "fish", or not?
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+In "... Boundaries?", I unify the two positions and explain how both Yudkowsky and Alexander have a point
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