I'm wondering if we can support a reasoned argument on hot-topic as issue of abortions. Unfortunately I have often noticed that when engaging in arguments people tend to use rhetorical tricks and logical fallacies to defend their positions. I don't have a strict position on this issue, but since I know the majority is pro-choice on the abortion issue, then I'll take a pro-life position to warm up the discussion and try to argue it logically.
An important condition for participation in the discussion is not to use sophistry and other rhetorical tricks to defend your position or argue a different position. Straw man arguments, appeals to emotions, to the majority, to the law, to authority are all sophistry, which is not proof of anything. Also ideally do not use inductive arguments cuz they are not proofs. Although I don't expect to see a collection of deductive arguments in favour of pro-choice positions.
As they say you have to start with yourself, and I will formulate my position with a deductive logical argument that comes from a fork (T) - thesis with two options.
T. If it is immoral for you to murder a human being, then abortion is immoral.
If it is morally normal for you to murder a human being, then abortion is not immoral.
P1. Murder - premeditated killing of human being by another human being.
P2. A human zygote (and then blastocyst, fuetus, embryo, infant and any stage of the human being) is a human being (Homo sapiens)
P3. Abortion - premeditated killing of human being by another human being.
C. Abortion is murder.
Any logical argument will work if we accept its premises. If you can prove that any of the premises are wrong, then the argument will not work.
I think all the primises are obvious except that the human zygote is a human being. And probably that's the premise that will be argued most often. I'll explain why I took this primis. Any moment when a non-human becomes a human being is arbitrary except for the very beginning - the zygote. Because this is the very moment when the human dna of one person of the mother and another human being of the father merge into one cell and give birth to a new organism. What species does this organism belong to? Homo sapiens - human being. (I will disclaim that I am an agnostic and religious positions on this issue are not important to me)
This moment when two objects (sperm and ovum) become one object (zygote) is the moment that sets all the conditions for the emergence of a new human being. And each of these two objects individually does not possess the full set of genetic code to form a human being. And when they merge, the genetic code of the mother and father is merged and it is from this point that human growth begins. Any subsequent moment is arbitrary. Zygote is just a stage of human development like any other. With each new stage we can acquire some new attributes. From puberty to adulthood, we mature, our brains develop, and we become smarter and more experienced and we're acquiring more and more attributes. It doesn't mean that at any stage a non-human suddenly became human. You can argue and prove it's not true. This could be interesting.
It may be noted that the form of my deductive argument can justify some cases of abortions. For example, in the case of a threat to the life of a woman in labour, cuz it is morally justifiable to murder in self-defence. It all depends on whether murder is morally permissible for you. You can say you don't think frivolous murders is immoral, and then there is no problem with abortion.
An important condition for participation in the discussion is not to use sophistry and other rhetorical tricks to defend your position or argue a different position. Straw man arguments, appeals to emotions, to the majority, to the law, to authority are all sophistry, which is not proof of anything. Also ideally do not use inductive arguments cuz they are not proofs. Although I don't expect to see a collection of deductive arguments in favour of pro-choice positions.
As they say you have to start with yourself, and I will formulate my position with a deductive logical argument that comes from a fork (T) - thesis with two options.
T. If it is immoral for you to murder a human being, then abortion is immoral.
If it is morally normal for you to murder a human being, then abortion is not immoral.
P1. Murder - premeditated killing of human being by another human being.
P2. A human zygote (and then blastocyst, fuetus, embryo, infant and any stage of the human being) is a human being (Homo sapiens)
P3. Abortion - premeditated killing of human being by another human being.
C. Abortion is murder.
Any logical argument will work if we accept its premises. If you can prove that any of the premises are wrong, then the argument will not work.
I think all the primises are obvious except that the human zygote is a human being. And probably that's the premise that will be argued most often. I'll explain why I took this primis. Any moment when a non-human becomes a human being is arbitrary except for the very beginning - the zygote. Because this is the very moment when the human dna of one person of the mother and another human being of the father merge into one cell and give birth to a new organism. What species does this organism belong to? Homo sapiens - human being. (I will disclaim that I am an agnostic and religious positions on this issue are not important to me)
This moment when two objects (sperm and ovum) become one object (zygote) is the moment that sets all the conditions for the emergence of a new human being. And each of these two objects individually does not possess the full set of genetic code to form a human being. And when they merge, the genetic code of the mother and father is merged and it is from this point that human growth begins. Any subsequent moment is arbitrary. Zygote is just a stage of human development like any other. With each new stage we can acquire some new attributes. From puberty to adulthood, we mature, our brains develop, and we become smarter and more experienced and we're acquiring more and more attributes. It doesn't mean that at any stage a non-human suddenly became human. You can argue and prove it's not true. This could be interesting.
It may be noted that the form of my deductive argument can justify some cases of abortions. For example, in the case of a threat to the life of a woman in labour, cuz it is morally justifiable to murder in self-defence. It all depends on whether murder is morally permissible for you. You can say you don't think frivolous murders is immoral, and then there is no problem with abortion.