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Tiling with Three Polygons Is Undecidable

(arxiv.org)
134 points denvaar | 2 comments | 17 Nov 24 05:51 UTC | HN request time: 0.432s | source
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xianshou ◴[20 Nov 24 00:56 UTC] No.42189760[source]▶
First you ask how the hell someone could come up with this construction.

Then you realize it was this guy: https://en.wikipedia.org/wiki/Erik_Demaine

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heavensteeth ◴[20 Nov 24 02:35 UTC] No.42190342[source]▶
>former child prodigy

I understand the idea behind that phrasing but I'm not sure I agree with it. Are you no longer a child prodigy once you turn 18? I don't think I'd ever say "former intelligent child".. Would I?

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infogulch ◴[20 Nov 24 02:41 UTC] No.42190373[source]▶
Well he was a child prodigy, but he is no longer a child. A suitable replacement would need to reword the sentence to be about the same length and include that detail without the odd sounding wording.
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1. chongli ◴[20 Nov 24 03:48 UTC] No.42190666[source]▶
How about just prodigy?
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2. irjustin ◴[20 Nov 24 06:30 UTC] No.42191289[source]▶
For this context, prodigy only applies to children. I'd never call an adult a prodigy except for they were a "former child prodigy".

Somewhere along the line you convert from child prodigy to genius assuming you maintained your ability above the rest of the pack.