This thesis is concerned with the philosophical problems of personal identity and personal survival. In the first case, we are concerned to establish what our identity as persons consists in at any instant. In the second case we are concerned to establish what our survival as the self-same (i.e.:numerically identical) person consists in. That is, we wish to know what it means to say that one is the same person now which one was ten years ago or will be ten years from now. I first introduce the distinction between the epistemological question of how we can know these things and the metaphysical question of what these notions actually consist in and claim that much confusion has resulted from the conflation of these two. Further, I explicitl...