Don’t open this introduction to a fake problem that won’t die.
Turri, J. (2012). In Gettier's wake. In S. Hetherington (Ed.), Epistemology: The key thinkers (pp. 214–229). London: Continuum.
A critical review of “Gettier” cases and theoretical attempts to solve “the” "Gettier" "problem".
Judgments about what people know feature centrally in how we evaluate them.
Philosophers make a mess. Science cleans it up. You're welcome.
A simple “wrong” would have done just fine.