Do you mean in the context of arguments in textbooks?
Yes.
This seems like a very weak claim, given how frequently some areas change.
It is weak, in that it makes no bold claims, and merely states what most would take for granted—that most of the things in textbooks are essentially correct.
Yes.
It is weak, in that it makes no bold claims, and merely states what most would take for granted—that most of the things in textbooks are essentially correct.