Ok. Interesting points.
Pensive wrote:
You would be correct to note this as the decisve factor in the ultimate ethical judgment, therefore there are two possible ways in which to argue against you. The first way you have already recognized, and I have already done (that the intention of the time traveller was, in fact, pure).
Just to be clear, I
don't consider the time travellers intention to be pure in this case. If it was pure, he'd not have punched anyone in the first place. The very fact that you intend to go back and erase the act (for the specific purpose of erasing what would otherwise be an unethical action) shows that you know the act to be "wrong". Thus, the act itself must be in violation of your own ethics. Thus, it *must* be unethical.
I just find the whole "but I intended to erase that bad thing before I did it" a pretty weak ethical argument.
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The second way is to refute the theory that intentions are more key to normative ethics than are results.
The second way is, of course, much more fun. Let me begin then, by asking what is it you mean by "intention"? The definition of intention with which I am familliar is pretty simple: an act is intented just in case the action is either the ultimate end of the person's goal, or a forknown means to that person's goal. Does that sound good?
I'm not sure I'm following you. Intent simply means that it's something you desire. I suppose you could word that as a "goal", but I think that's misleading since it again results in confusion between the intent and the result. I'm talking about the act itself, not the ultimate result of that action. The reason it's important to separate those is highlighted in the example you give later (and I'll go over it then).
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By this definition, the action of the time traveller would certainly be intended, as would a dartboard, but you would probably say that one is a noble intention and the other is harmless.
Which intention? The intention to punch someone in the face? How is that either noble or harmless? Remember. Presumably the entire point of this excersize is that you want (desire if you will) to punch someone in the face in a way that allows you to avoid any consequences of that act. The intent to erase the action is in this case secondary to the intent to perform the action in the first place. Otherwise, you'd never "desire" to do any of this, right?
Surely you aren't arguing that you start with the intention to erase an unethical action, and *then* come up with an unethical action to do? That's a bit... odd, don't you think? The intention to erase the act is a result of the initial intention to perform the act. And that intention is inherently unethical (see argument above for the reason). The fact that you've been empowered with a way to erase it after the fact does not erase the original intention to do harm to another person.
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This is fair, however, I ask why should intention matter at all? By this defintion it's not so difficult to imagine scenarios of nobly intented actions which make us uneasy and question the agent. Say a couple is in the middle of a particularly nasty divorce and they have a child who is living with an extended family member, for the time being. Say that the father has a desire to be with his daughter because he feels that he is the best person to raise the child, a quite noble intention, indeed. Unfortunately, in order to get the child, he slays the caretaking family member as a means to that end. He would have intented it, but for a greater purpose (at least to him). What about the example of say, the bombing of Nagasaki? It's intention was (probably) noble as well: to protect the soldiers and to end the war, however, there are very good arguments against the use of a second bomb in that way. These things go on; i'm sure that you get the point.
Reasonable examples. However, IMO you're mixing up the "means" and "ends" here. In the examples you just gave the ultimate end is to "give my child a good home" or "to end a bloody war". In both cases, that's the goal and we can judge the ethics of that action based on that goal. However, we also have to judge the means to obtain that end. We can debate that, but it's a bit different then the argument in this case. And "ends justifying the means" argument can only be valid if you start with an end that is "good". In the examples above, they are. So we can then progress to the next step of analysing said means to see if they are justified.
But in the case of the time traveling face-puncher, that's not the case. As I pointed out above, the "end" is to punch that person in the face. That is the core "desire" behind the entire hypothetical issue. If that desire/intention did not exist there would be no quandry, no ethical decision to make, and no point to the entire excersise. Since that end is "unethical" no justification for that end can ever make it ethical. There's simply no point in making an ends vs means argument in this case.
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Maybe you're talking about the innermost wants and desires of a person instead of the intention of each of the actions. I can't really argue further until you give something of a definition of what you mean. It's important to recognize exactly the value of which intention plays for ethics.
Hopefully, my position is a bit more clear now. My argument is that the action of punching in the face is itself the "goal/intent/desire" of the time traveller. Since that goal is unethical, any action taken to achieve that goal is *also* unethical. We can presume that the ability to travel back in time to erase the action is an "enabling factor" to the issue. It enables the person to do what he wants (punch someone in the face). Thus, it must also be unethical since it ultimately is taken in order to allow another unethical act to take place.