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Letter to the Patent Office From Professor Donald Knuth (1994)

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Resurfaced independently across 4 calendar years, with breakout response in 2 of them.

submissions
4
submitters
4
observed span
2009–2020
peak thread · 48 comments
135 pts
latest 20+ return · 2014-06-28
135 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

>>"I am told that the courts are trying to make a distinction between mathematical algorithms and nonmathematical algorithms." As Knuth implies, this is a fool's errand, and this is the reason why courts should not award any patents protecting an algorithm at all. As a thought exercise, is "A website that advertises a series of random beers from a known collection of user preferred beers" mathematical? No? Then, is a random shuffling algorithm mathematical based on a vector of inputs…

xophe·135-point thread·

"Therefore the idea of passing laws that say some kinds of algorithms belong to mathematics and some do not strikes me as absurd as the 19th century attempts of the Indiana legislature to pass a law that the ratio of a circle's circumference to its diameter is exactly 3, not approximately 3.1416." now that is a real gem

ulf·125-point thread·

I wonder if he received any reply, and, if so, what it said.

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
267

reference only — not used in Hall rules or ranking

Total comments
80

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2009-05-05Letter to the Patent Office from Donald Knuth (1995)mcav50
2010-01-07Letter to the Patent Office from Professor Donald Knuth (circa 1994)First breakoutfogus12531
2014-06-28Letter to the Patent Office From Professor Donald Knuth (1994)Best thread · Latest 20+ point returnespeed13548
2020-09-30Letter to the Patent Office from Professor Donald Knuth (1994)pncnmnp21