Dorkness:
That’s a very good argument. It is essentially the same one that I alluded in my OP as having gone through with Gaudere way back in the day, and that I was satisfied with for 10 years.
For the sake of simplicity let me say that the argument can be restated as “when your brain has developed to the point where it is capable of having it’s first human thought, I can’t prove that you haven’t had that human thought. Having a human thought is the best criteria I have for personhood. Therefore, if I choose a time before the brain has developed enough to possibly have that thought to have an abortion I can be certain that I am not killing a person.”
I gave some reasons why I ultimately found it an unsatisfactory criteria there and I can give you more, if you like.
For me, it’s like this:
The moment an oak tree sprouts is like the moment a fertilized egg implants in the womb (I’ve said moment of conception before, I am just building an equivalence.)
Barring accident, or happenstance that sprout will now grow into an oak tree, even though it has almost none of the characteristics of its future self. They are there though, in that seedling. I think that if any time I kill it, I have killed an oak tree. I don’t call it an oak tree when it grows it’s first leaf or first acorn. That would be stupid.
It hasn’t done any oak tree things yet, so what’s the problem if there is one?
Well, what exactly is the problem with killing something? What’s the drawback? Be it ok tree or person, what exactly is the negative we associate with killing something?
Killing something doesn’t change anything that something was or has done, or even is. It only changes what it could do or become in the future.
Killing something terminates it’s future. All of something’s value, all of something’s potential is always in the future.
So I kill the oak when I crush the seedling because that was the seedling’s future. When you abort a fetus, you kill a person because that was it’s future.
We all agree it is ok to turn off the machine keeping somebody brain dead going because they have no future.
Killing something isn’t taking away what it is, it is taking away everything it was going to be. You have stepped on and stopped it while it was on its way.
It’s difficult to explain but that seems to be the gist of it. The more I think about it, the more right it seems.