It genuinely is worth going and looking at this thing. Starts like very terse but normal maths, then gets... alien http://www.kurims.kyoto-u.ac.jp/~gokun/DOCUMENTS/abc_ver6.pdf …https://twitter.com/johncarlosbaez/status/904994804588621824 …
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I know nothing about the field either! It's just really odd looking as maths: incredibly terse and masses of weird notation.
John Baez says this, and he'd recognise most common styles in maths, so I don't think it's just some subfield thing I'm missing:pic.twitter.com/P53rXgkyFt
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