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Short proof of Abel's theorem that 5th degree polynomial equations cannot be solved
A 16-minute video by Boaz Katz about number systems and proofs, on the Mathematics shelf. It came up in 2 Reddit threads, in r/3Blue1Brown.
Boaz Katz, Video, 16 min, 2013, on the Mathematics shelf
Presents a short proof of the quintic’s unsolvability, using a modified version of Arnold’s argument.
Presents a short proof of the quintic’s unsolvability, using a modified version of Arnold’s argument.
