Knowledge Certainty and Logic

The Epistemic Regress (specifically, the Skeptical variety) is a little out of my depth at the moment, but what is plainly obvious by various presentations of the problem, is that at it’s core lies the Problem of Knowledge. The key question that arises in the examination of major premises in any deductive argument, is “how do you know?” This suggests that something essential about the nature of the premises needs to be discovered, before we are going to solve the riddle.