Philosophy / Unit 2 Philosophy 0047 short lesson, about 20 seconds
The Gettier Problem
Captions available
The idea
Gettier's 1963 objection: justified true belief is not sufficient for knowledge, because justification and truth can connect by luck.
In practice
A stopped clock reads 2:00. You glance at it at exactly 2:00 and form a true belief. Justified, true—and still, few would call it knowledge.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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