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Not mm0?

How about all of these bugs from last week?

https://leodemoura.github.io/blog/2026-8-24-postmortem-for-t...

...I'm not saying this FLT result is compromised. I suppose things depend on your perspective where we are on the spectrum of "finding more bugs means there are fewer left to discover" vs. "finding more bugs probably means there are still unexplored corners out there".


Sure. But experts seem to be aware of the direction of those solutions so it seems unlikely there could be some hidden bug which disproves it. But it could be possible.

the Nanoda type-checker for Lean is ~5,000 lines of Rust:

https://leodemoura.github.io/blog/2026-3-16-who-watches-the-...

...and for those who are looking to roll-their-own:

https://ammkrn.github.io/type_checking_in_lean4/title_page.h...

...and some thoughts on putting stuff in the kernel:

https://lawrencecpaulson.github.io/2026/07/30/Collatz.html


You still have to trust that the AI didn't exploit a bug in the Lean kernel. There was just such an instance of a bug a little over a month ago:

https://leodemoura.github.io/blog/2026-8-1-postmortem-for-ke...


True, .. and. In this case, the original proof is considered rigorously checked, so finding a bug in the kernel would be nice to know about, but in my opinion would not take away from the accomplishment (FLT in lean using agents) nor the many benefits of getting these mathematical objects formalized and usable in Lean in the future.

If you do this with PPP with every other country on earth, which ones look the best?

I think you missed a "I won't respond further."

https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...


Ah, the royal road to learning how to write.


How would that work? Make a law that it is illegal to own more than X GFLOPS of computing per person? With another limit on corporations? Maybe a Computing Enforcement Agency to investigate potential violations? On a slightly different topic, why have I never heard about taxes for AI/robots? Is there a reason why people should be the only taxpayers?


Can you get an assemble-time or run-time type-error with assembly? Might be a fine article otherwise without the click-bait headline.


> However, every instruction has a set of valid forms. Each form dictates the kind of each operand (register, memory, immediate, label), the class of each register (general-purpose, vector, mask), the width of each operand, the range each immediate may take, and what the instruction clobbers (flags, memory, particular registers). In x86, a mulps wants a 128-bit vector register; a crc32 in one of its forms wants a 32-bit destination and an 8-bit memory source; div reads and writes rdx and rax whether ask to it do or not.

The instructions have bit-width, arity/source/target requirements so technically there are types whereas an abstract virtual machine that only operates on some fixed set of integer registers is mostly untyped (modulo number of registers).


How much profit would ASML lose to this ban? Maybe they'll get a couple hundred million dollars in annual compensation from the U.S. gov?


The bigger worry is China pushing a home grown company to produce the same equipment and provide whatever state resources they need.

Hard to protect against espionage and hard to compete with a company that has massive state subsidies.

Easier to just sell them the equipment to prevent this.

Note: they can already produce DUV equipment, just probably not economically viable (yet)


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