“But you don't know that you know that!”
Fast: “We need to keep in mind that "I know that I know" is ambiguous between 1) I am certain and 2) I have knowledge that I know. The latter…
Two kinds of certainty
A quick explanation of two types of certainty that people tend to confuse. The first is the one we typically mean in natural language. It's called psychological certainty. It's a…