Two-Dimensional De Se Chance Deference

Abstract

∗ Senior Research Fellow, Dianoia Institute of Philosophy · dmitri.gallow@acu.edu.au 1 LCD isn’t the same as Lewis’s Principal Principle, though it follows from the Principal Principle given the updating rule of conditionalization, which Lewis accepted (see his 1999, e.g.). 2 Notation: I place an exclamation mark above an equals sign to say that the equality should hold, not that it does hold. 3. Problem #1: suppose that we are about to flip a coin, but before we do so, we introduce the name ‘Uppy’ by saying: “Let’s call whichever side of the coin actually lands up ‘Uppy’.”