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← There is a permanent trade-off in verification: an expressive language…
17 connected korrents · 13 moments from 21 Jan 2019 to 23 Sept 2026.
Everything filed under formal proof
formal proof
Everything filed under software quality
software quality
Everything filed under mathematics
mathematics
Everything filed under America
America
Everything filed under LLMs
LLMs Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: There is a permanent trade-off in verification: an expressive language is hard to prove things about, and a language that is easy to prove things about is hard to write in. There is a permanent trade-off in verification: an expressive language is hard to prove things about, and a language that is easy to prove things about is hard to write in. Last stated 8 years ago
21 Jan 2019
HW
Hillel Wayne — holds since 2019-01-21 — tap for who they are
Same subject: The hard part of verification is not proving the code correct but working out what the specification should say. — tap to centre the map on it The hard part of verification is not proving the code correct but working out what the specification should say. Last stated 8 years ago
21 Jan 2019
HW
Hillel Wayne — holds since 2019-01-21 — tap for who they are
Same subject: Formal verification is about to become economical, because models are getting good enough at writing the proofs that humans no longer have to. — tap to centre the map on it Formal verification is about to become economical, because models are getting good enough at writing the proofs that humans no longer have to. Last stated 6 months ago
22 Apr 2026
MK
Martin Kleppmann — holds since 2026-04-22 — tap for who they are
Same subject: AI-written code makes formal proof necessary, because human review of all that generated code becomes the bottleneck. — tap to centre the map on it AI-written code makes formal proof necessary, because human review of all that generated code becomes the bottleneck. Last stated 6 months ago
22 Apr 2026
MK
Martin Kleppmann — holds since 2026-04-22 — tap for who they are
Same subject: Formalisation's real gift is the green check mark — knowing a hard proof is correct before you spend time on it — and every other field would kill for it. — tap to centre the map on it Formalisation's real gift is the green check mark — knowing a hard proof is correct before you spend time on it — and every other field would kill for it. Last stated 4 months ago
30 Jun 2026
GS
Grant Sanderson — holds since 2026-06-30 — tap for who they are
Same subject: With AI, verification has become the bottleneck in producing work, whereas before it happened incidentally during creation. — tap to centre the map on it With AI, verification has become the bottleneck in producing work, whereas before it happened incidentally during creation. Last stated 4 months ago
29 Jun 2026
HH
Hamel Husain — holds since 2026-06-29 — tap for who they are
Same subject: Full formal verification is a waste of money for most software: near-perfect is reachable with ordinary techniques at a fraction of the cost. — tap to centre the map on it Full formal verification is a waste of money for most software: near-perfect is reachable with ordinary techniques at a fraction of the cost. Last stated 8 years ago
21 Jan 2019
HW
Hillel Wayne — holds since 2019-01-21 — tap for who they are
Same subject: AI will increasingly produce mathematical proofs, just as it already writes most code. — tap to centre the map on it AI will increasingly produce mathematical proofs, just as it already writes most code. Last stated a month ago
11 Sept 2026
DL
Daniel Lemire — holds since 2026-09-11 — tap for who they are
Same subject: Large language models do not reason formally: their performance collapses as a problem is made bigger, in the way a calculator's never does. — tap to centre the map on it Large language models do not reason formally: their performance collapses as a problem is made bigger, in the way a calculator's never does. Last stated 2 years ago
11 Oct 2024
GM
Gary Marcus — holds since 2024-10-11 — tap for who they are
Same subject: A persistently rising dividend yield eventually forces capital appreciation as the market rerates the stock. — tap to centre the map on it A persistently rising dividend yield eventually forces capital appreciation as the market rerates the stock. Last stated 8 months ago
3 Mar 2026
SB
Sanjay Bakshi — holds since 2026-03-03 — tap for who they are
Same subject: A proof and an explanation are different things, and a theorem can stay an unsolved expository problem long after it is proved. — tap to centre the map on it A proof and an explanation are different things, and a theorem can stay an unsolved expository problem long after it is proved. Last stated 4 months ago
30 Jun 2026
GS
Grant Sanderson — holds since 2026-06-30 — tap for who they are
Same subject: A stream of AI-written papers with any error rate at all becomes insufferable, because finding the error costs more than the paper is worth even at ninety-nine percent. — tap to centre the map on it A stream of AI-written papers with any error rate at all becomes insufferable, because finding the error costs more than the paper is worth even at ninety-nine percent. Last stated 4 months ago
30 Jun 2026
GS
Grant Sanderson — holds since 2026-06-30 — tap for who they are
Same subject: America stopped building reactors because Three Mile Island was mismanaged as a public-relations event, not because anyone was harmed by it. — tap to centre the map on it America stopped building reactors because Three Mile Island was mismanaged as a public-relations event, not because anyone was harmed by it. Last stated 2 months ago
15 Aug 2026
IT
Isaiah Taylor — holds since 2026-08-15 — tap for who they are
Same subject: American manufacturing output cannot meaningfully rise without first building large amounts of new electricity generation. — tap to centre the map on it American manufacturing output cannot meaningfully rise without first building large amounts of new electricity generation. Last stated 2 years ago
6 Apr 2025
MH
Molson Hart — holds since 2025-04-06 — tap for who they are
Same subject: Americans have repeatedly overreacted drastically to real problems like DDT, Y2K, and nuclear power, swept up in fear after one vivid incident. — tap to centre the map on it Americans have repeatedly overreacted drastically to real problems like DDT, Y2K, and nuclear power, swept up in fear after one vivid incident. Last stated 2 months ago
1 Sept 2026
TC
Tyler Cowen — holds since 2026-09-01 — tap for who they are
Same subject: 95 percent of the software made in an age of abundance will be shitty, and shitty software is easy to deal with because it goes away. — tap to centre the map on it 95 percent of the software made in an age of abundance will be shitty, and shitty software is easy to deal with because it goes away. Last stated 4 weeks ago
23 Sept 2026
GT
Geoff Teehan — holds since 2026-09-23 — tap for who they are
Same subject: A coding agent left to run over a weekend returns work that is half good, a quarter garbage and a quarter in need of repair. — tap to centre the map on it A coding agent left to run over a weekend returns work that is half good, a quarter garbage and a quarter in need of repair. Last stated a year ago
18 Aug 2025
CB
Clay Bavor — holds since 2025-08-18 — tap for who they are
Same subject: A developer using AI coding tools remains responsible for reviewing the code they ship. — tap to centre the map on it A developer using AI coding tools remains responsible for reviewing the code they ship. Last stated 7 months ago
10 Mar 2026
JS
Jon Seager — holds since 2026-03-10 — tap for who they are
At the centre
There is a permanent trade-off in verification: an expressive language is hard to prove things about, and a language that is easy to prove things about is hard to write in.
Holds Read this korrent →
The hard part of verification is not proving the code correct but working out what the specification should say.
Holds
Formal verification is about to become economical, because models are getting good enough at writing the proofs that humans no longer have to.
Holds
AI-written code makes formal proof necessary, because human review of all that generated code becomes the bottleneck.
Holds
Formalisation's real gift is the green check mark — knowing a hard proof is correct before you spend time on it — and every other field would kill for it.
Holds
With AI, verification has become the bottleneck in producing work, whereas before it happened incidentally during creation.
Holds
Full formal verification is a waste of money for most software: near-perfect is reachable with ordinary techniques at a fraction of the cost.
Holds
AI will increasingly produce mathematical proofs, just as it already writes most code.
Holds
Large language models do not reason formally: their performance collapses as a problem is made bigger, in the way a calculator's never does.
Holds
A persistently rising dividend yield eventually forces capital appreciation as the market rerates the stock.
Holds
A proof and an explanation are different things, and a theorem can stay an unsolved expository problem long after it is proved.
Holds
A stream of AI-written papers with any error rate at all becomes insufferable, because finding the error costs more than the paper is worth even at ninety-nine percent.
Holds
America stopped building reactors because Three Mile Island was mismanaged as a public-relations event, not because anyone was harmed by it.
Holds
American manufacturing output cannot meaningfully rise without first building large amounts of new electricity generation.
Holds
Americans have repeatedly overreacted drastically to real problems like DDT, Y2K, and nuclear power, swept up in fear after one vivid incident.
Holds
95 percent of the software made in an age of abundance will be shitty, and shitty software is easy to deal with because it goes away.
Holds
A coding agent left to run over a weekend returns work that is half good, a quarter garbage and a quarter in need of repair.
Holds
A developer using AI coding tools remains responsible for reviewing the code they ship.
Holds