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".
I did not just show that you can’t prove a negative.
What, you didn’t know? You’re such a loser.
This paper is about right, which is good enough.