• Klear@lemmy.world
    link
    fedilink
    English
    arrow-up
    8
    ·
    1 month ago

    It’s a reference to Fermat’s Last Theorem.

    Tl;dr is that a legendary mathematician wrote in a margin of a book that he’s got a proof of a particular proposition, but that the proof is too long to fit into said margin. That was around the year 1637. A proof was finally found in 1994.