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← Full formal verification is a waste of money for most software:…
17 connected korrents · 13 moments on record from 28 Oct 2011 to 1 Sept 2026.
Everything filed under formal proof
formal proof
Everything filed under AI writing
AI writing
Everything filed under code generation
code generation
Everything filed under mathematics
mathematics
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: Full formal verification is a waste of money for most software: near-perfect is reachable with ordinary techniques at a fraction of the cost.
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-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 5 months ago
22 Apr 2026
MK
Martin Kleppmann — holds since 2026-04-22 — 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 5 months ago
22 Apr 2026
MK
Martin Kleppmann — holds since 2026-04-22 — tap for who they are
Same subject: Formalising a proof in Lean currently takes about ten times the effort of writing it out: doable, but annoying. — tap to centre the map on it
Formalising a proof in Lean currently takes about ten times the effort of writing it out: doable, but annoying.
Last stated a year ago
14 Jun 2025
TT
Terence Tao — holds since 2025-06-14 — tap for who they are
Same subject: Nuclear power plants, the standard example of software that must be proved correct, do not care about formal verification: thorough testing is enough for them. — tap to centre the map on it
Nuclear power plants, the standard example of software that must be proved correct, do not care about formal verification: thorough testing is enough for them.
Last stated a month ago
29 Jul 2026
HW
Hillel Wayne — holds since 2026-07-29 — tap for who they are
Same subject: When formalising a proof costs no more than writing it, mathematics will flip: papers written in Lean first, and journals refereeing only for significance because correctness is certified. — tap to centre the map on it
When formalising a proof costs no more than writing it, mathematics will flip: papers written in Lean first, and journals refereeing only for significance because correctness is certified.
Last stated a year ago
14 Jun 2025
TT
Terence Tao — holds since 2025-06-14 — 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: 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. — tap to centre the map on it
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: Software is not less rigorous than traditional engineering; its record-keeping and automated verification are better than most of that field's. — tap to centre the map on it
Software is not less rigorous than traditional engineering; its record-keeping and automated verification are better than most of that field's.
Last stated 6 years ago
20 Jan 2021
HW
Hillel Wayne — holds since 2021-01-20 — tap for who they are
Same subject: AI acceleration threatens 'less software': without the constraint of scarce hours, even 37signals will likely build too much. — tap to centre the map on it
AI acceleration threatens 'less software': without the constraint of scarce hours, even 37signals will likely build too much.
Last stated a month ago
26 Jul 2026
DH
David Heinemeier Hansson — holds since 2026-07-26 — tap for who they are
Same subject: Code and files generated by tools are pollution: hand-writing them is worth the effort because the bloat slows everything down for everyone. — tap to centre the map on it
Code and files generated by tools are pollution: hand-writing them is worth the effort because the bloat slows everything down for everyone.
Last stated 7 years ago
15 Oct 2019
DS
Derek Sivers — holds since 2019-10-15 — tap for who they are
Same subject: Every time software has become easier to create, the world has created exponentially more of it, and this time will be no exception. — tap to centre the map on it
Every time software has become easier to create, the world has created exponentially more of it, and this time will be no exception.
Last stated 3 weeks ago
19 Aug 2026
AO
Addy Osmani — holds since 2026-08-19 — 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 2 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 2 months ago
30 Jun 2026
GS
Grant Sanderson — holds since 2026-06-30 — tap for who they are
Same subject: Academic credentials — grades, major, the prestige of the degree — barely matter to industry hiring. — tap to centre the map on it
Academic credentials — grades, major, the prestige of the degree — barely matter to industry hiring.
Last stated 15 years ago
28 Oct 2011
PM
Patrick McKenzie — holds since 2011-10-28 — tap for who they are
Same subject: AI-generated writing tends to repeat the same themes, names, and underlying ideas across different outputs. — tap to centre the map on it
AI-generated writing tends to repeat the same themes, names, and underlying ideas across different outputs.
Last stated a week ago
31 Aug 2026
EM
Ethan Mollick — holds since 2026-08-31 — tap for who they are
Same subject: AI-written prose is an inferior read because a model emits a statistical average -- code's audience is a machine, writing's audience is people. — tap to centre the map on it
AI-written prose is an inferior read because a model emits a statistical average -- code's audience is a machine, writing's audience is people.
Last stated a week ago
1 Sept 2026
GO
Gergely Orosz — holds since 2026-09-01 — tap for who they are
Same subject: An AI-written cover letter reads as slop to the person receiving fifty of them, so do not send one. — tap to centre the map on it
An AI-written cover letter reads as slop to the person receiving fifty of them, so do not send one.
Last stated 2 years ago
18 Sept 2024
DH
David Heinemeier Hansson — holds since 2024-09-18 — tap for who they are
same subject or similar wording a cloud: claims about one subject, named for it bar: when it was last stated, on a scale from 2011 to today (stretched back to the oldest claim here) — full is today a face: someone on record holding the claim — tap it for who they are
At the centre
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 21 Jan 2019 · 8 years ago
Holds HW Hillel Wayne
Read this korrent →
Same subject: formal proof
AI-written code makes formal proof necessary, because human review of all that generated code becomes the bottleneck.
Last stated 22 Apr 2026 · 5 months ago
Holds MK Martin Kleppmann
Same subject: formal proof
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 22 Apr 2026 · 5 months ago
Holds MK Martin Kleppmann
Same subject: formal proof
Formalising a proof in Lean currently takes about ten times the effort of writing it out: doable, but annoying.
Last stated 14 Jun 2025 · a year ago
Holds TT Terence Tao
Same subject: formal proof
Nuclear power plants, the standard example of software that must be proved correct, do not care about formal verification: thorough testing is enough for them.
Last stated 29 Jul 2026 · a month ago
Holds HW Hillel Wayne
Same subject: formal proof
When formalising a proof costs no more than writing it, mathematics will flip: papers written in Lean first, and journals refereeing only for significance because correctness is certified.
Last stated 14 Jun 2025 · a year ago
Holds TT Terence Tao
Similar wording
The hard part of verification is not proving the code correct but working out what the specification should say.
Last stated 21 Jan 2019 · 8 years ago
Holds HW Hillel Wayne
Similar wording
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 21 Jan 2019 · 8 years ago
Holds HW Hillel Wayne
Similar wording
Software is not less rigorous than traditional engineering; its record-keeping and automated verification are better than most of that field's.
Last stated 20 Jan 2021 · 6 years ago
Holds HW Hillel Wayne
Same subject: code generation
AI acceleration threatens 'less software': without the constraint of scarce hours, even 37signals will likely build too much.
Last stated 26 Jul 2026 · a month ago
Holds David Heinemeier Hansson
Same subject: code generation
Code and files generated by tools are pollution: hand-writing them is worth the effort because the bloat slows everything down for everyone.
Last stated 15 Oct 2019 · 7 years ago
Holds Derek Sivers
Same subject: code generation
Every time software has become easier to create, the world has created exponentially more of it, and this time will be no exception.
Last stated 19 Aug 2026 · 3 weeks ago
Holds AO Addy Osmani
Same subject: mathematics
A proof and an explanation are different things, and a theorem can stay an unsolved expository problem long after it is proved.
Last stated 30 Jun 2026 · 2 months ago
Holds GS Grant Sanderson
Same subject: mathematics
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 30 Jun 2026 · 2 months ago
Holds GS Grant Sanderson
Same subject: mathematics
Academic credentials — grades, major, the prestige of the degree — barely matter to industry hiring.
Last stated 28 Oct 2011 · 15 years ago
Holds PM Patrick McKenzie
Same subject: AI writing
AI-generated writing tends to repeat the same themes, names, and underlying ideas across different outputs.
Last stated 31 Aug 2026 · a week ago
Holds EM Ethan Mollick
Same subject: AI writing
AI-written prose is an inferior read because a model emits a statistical average -- code's audience is a machine, writing's audience is people.
Last stated 1 Sept 2026 · a week ago
Holds Gergely Orosz
Same subject: AI writing
An AI-written cover letter reads as slop to the person receiving fifty of them, so do not send one.
Last stated 18 Sept 2024 · 2 years ago
Holds David Heinemeier Hansson