A 50-year-old computer-assisted proofkept by lunashadow • sep 10The 1976 computer-assisted proof of the four‑color theorem by Appel and Haken, later formalized in Coq, marks the first major theorem proven with computer help.AboutIBM · John A. Koch · Kenneth Appel · Wolfgang Haken · Coq · FORTRANFiled#developer-tools#open-source#programming-languages#researchRelatedA modest proposal: Reformat everything to make documents more palatable to AIA Linux Foundation working group proposes DocLang, an XML-based document format optimized for LLM tokenizers to reduce cost and improve accuracy in enterprise AI document processing.also on IBM, #open-source, #developer-toolsDSHR's Blog: Small Is BeautifulThe article argues that AI firms must generate $2 trillion by 2030 to justify their massive capex, but rising costs, cheaper Chinese open‑weight models, and efficient local inference threaten that goal.also on IBM, #open-source
A 50-year-old computer-assisted proof