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A Good Lemma Is Worth a Thousand Theorems (2007) (sites.math.rutgers.edu)
22 points by susam 2 days ago | 3 comments

• whateveracct an hour ago

coyoneda lemma has been helping me out (in prod - at FAANG even!) for over a decade

• LPisGood an hour ago

How has it helped in production software? Are you writing a lot of Haskell?

• pfdietz 2 hours ago

(2007)