On the Probabilistic Problem for A Single-Meaning Account of 'Ought'
A central distinction in “Thoughts About Oughts” (Episode 60) is that between epistemic and deontic uses of ‘ought.’ As a quick review, here’s an example of an epistemic use of ‘ought.’ Imagine that you open the window in the morning, feel a strong breeze and suffocating humidity, and see a massive, dark wall of clouds on the horizon. You declare to your roommate: (Ep) It ought to rain today. And for an example of a deontic use of ought: Imagine that you have a final exam tomorrow, which you need to pass in order to graduate....