 Byrne (2018) and Dretske (1995) bring together transparency and something like a derivational model of self-knowledge—a model on which I derive the conclusion that I believe that P directly from P itself, or the conclusion that I am representing x as F from the fact that x is F—a fact which must of course, to serve as a premise in the derivation, be represented (or believed) by me. Byrne argues that just as one might abide by the following epistemic rule: