Nature and value of prenatal and postmortal nonexistence

In my dissertation I am dealing with the value analysis of the prenatal and the postmortal nonexistence. The basic hypothesis of the discussion is that when the person dies she ceases to exist. As far as this is true; and even if it is not; the question is why is death bad for the person who died if death results with nonexistence? After basic determination of
terminology and assumptions, in my wo…