Do You Really Know What You Know?

In the 1960s, the American philosopher Edmund Gettier devised a thought experiment that has become known as a “Gettier case.” It shows that something’s “off” about the way we understand knowledge. This ordeal is called the “Gettier problem,” and 50 years later, philosophers are still arguing about it… “The resilience of the Gettier problem… suggests that it is difficult (if not impossible) to develop any explicit reductive theory of knowledge.…”