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view wisdom/lambek's lemma @ 10335:b427a34b42ae
<b_jonas> learn d00bbe65d80f6d53d5c15da7c6b4f0a655c5a86a is the first checksum for which a collision in SHA-1 was found.
author | HackBot |
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date | Thu, 23 Feb 2017 17:20:59 +0000 |
parents | 4d453e9a7250 |
children | d3a12978331a |
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Lambek's Lemma, invented by Joachim "Taneb" Lambek, states that initial algebras have inverses.