The law doesn't operate on such a binary scale; "if we can't formulate an extremely precise distinction then no distinction can exist at all".
If someone claimed to write an original work that was exactly the same as It, a 1200-page novel, nobody would accept that it was independently written, even if we can't exactly pin down the word count at which we draw that line.
If someone claimed to write an original work that was exactly the same as It, a 1200-page novel, nobody would accept that it was independently written, even if we can't exactly pin down the word count at which we draw that line.