re: #93 danarchy
I have heard this before. Hypothetically speaking, what if medical science progressed to a point where they created an artificial womb that could do most of the gestation outside the body? Or even if they just got to a point where a premature baby could survive earlier and earlier, say 16 weeks.
As far as I am concerned, until it develops a brain, it should not be considered an individual.
Yours is a simpler definition. An artificial womb is still a support mechanism that the fetus needs, so it would still fail my version.