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13. Knowledge Criteria / A. Justification Problems / 2. Justification Challenges / b. Gettier problem

[mere true justified belief doesn't ensure knowledge]

9 ideas
True belief about the time is not knowledge if I luckily observe a stopped clock at the right moment [Russell]
True belief is not knowledge when it is deduced from false belief [Russell]
A true belief is not knowledge if it is reached by bad reasoning [Russell]
Being a true justified belief is not a sufficient condition for knowledge [Gettier]
Gettier says you don't know if you are confused about how it is true [Yablo]
A Gettier case is a belief which is true, and its fallible justification involves some luck [Hetherington]
Gettier and lottery cases seem to involve luck, meaning bad connection of beliefs to facts [Black,T]
In a disjunctive case, the justification comes from one side, and the truth from the other [Vaidya]
Gettier deductive justifications split the justification from the truthmaker [Vaidya]