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Douglas_Knight comments on Open thread, Nov. 23 - Nov. 29, 2015 - Less Wrong Discussion

5 Post author: MrMind 23 November 2015 07:59AM

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Comment author: Douglas_Knight 25 November 2015 06:15:56PM 2 points [-]

Indeed, the computer-generated proofs of 4CT were not only not formal proofs, they were not correct. Once a decade, someone would point out an error in the previous version and code his own. But now there is a version for an off the shelf verifier.