EppsNet Archive: Edmund Gettier

The Gettier Problem

What does it mean to say that you “know” something is true? According to traditional philosophical thinking, you can be said to know that some proposition P is true if and only if: P is true. You believe that P is true. You are justified in believing that P is true. These three conditions jointly form the concept of justified true belief (JTB). As an example, let’s examine my claim that I know Paris is the capital of France. Unless an edict to the contrary has come down in the last few minutes, Paris is the capital of France, I believe that Paris is the capital of France, and I’m justified in believing that based on available evidence. So according to the concept of justified true belief, I know that Paris is the capital of France. Gettier Problems Here’s a thought experiment: Let’s say I wake up in the morning,… Read more →