Non-Fiction and Invalidity

Question: What about scientific treatises - Fiction or non-fiction? Can their statuses change?

Answer: I think scientific treatises are not even on the spectrum of fiction seeing as how a scientific treatise does not have a plot. Though, if  work is considered scientific and does have a plot it would be subject to the rules of fiction. If the plot has occurred, then it is science non-fiction, if so, then it is science fiction. I think their status can be assessed in terms of validity.  In which case its status can change from valid to invalid depending on research and so on. Over time I can imagine that most scientific treatises are rendered invalid. This does also lead me to wonder what would be the case if a work where revolving around an untrue plot, but some fanatic of a work dedicated his life to make most of those events true.