This means that if we start with 50% of the book then there is 42% chance that we can recreate the remaining 50%.
What is the distinction between understanding and memorization? What is the chance that understanding results in memorization (may be in case of humans)?
It stores how often characters will come next based on how often they happen in copyright material. It can reproduce parts because those values are a fingerprint.
It should break copyright laws as written now but too much money involved.
Not 42% of the book.
It's a pretty big distinction.