Classifying Bullshit Arguments (Because we can...)
Paul Graham classifies the possible Levels of Disagreement into a fairly nifty Hierarchical approach.
As Paul points out
Update:
Of course, the classic ad hominem attack was from SNL - Jane you ignorant slut
DH0. Name-calling.IMHO, most of the political discourse in this country (and everywhere?) tends to go from DH2 (ad hominem) to DH4 (Refutation. Usually to a straw-man). ;
This is the lowest form of disagreement, and probably also the most common. We've all seen comments like this:
u r a fag!!!!!!!!!![...]
DH1. Ad Hominem.
An ad hominem attack is not quite as weak as mere name-calling. It might actually carry some weight. For example, if a senator wrote an article saying senators' salaries should be increased, one could respond:
Of course he would say that. He's a senator.[...]
DH2. Responding to Tone.
The next level up we start to see responses to the writing, rather than the writer. The lowest form of these is to disagree with the author's tone. E.g.
I can't believe the author dismisses intelligent design in such a cavalier fashion.[...]
DH3. Contradiction.
In this stage we finally get responses to what was said, rather than how or by whom. The lowest form of response to an argument is simply to state the opposing case, with little or no supporting evidence.
This is often combined with DH2 statements, as in:
I can't believe the author dismisses intelligent design in such a cavalier fashion. Intelligent design is a legitimate scientific theory.[...]
DH4. Counterargument.
At level 4 we reach the first form of convincing disagreement: counterargument. Forms up to this point can usually be ignored as proving nothing. Counterargument might prove something. The problem is, it's hard to say exactly what.
[...]
DH5. Refutation.
The most convincing form of disagreement is refutation. It's also the rarest, because it's the most work. Indeed, the disagreement hierarchy forms a kind of pyramid, in the sense that the higher you go the fewer instances you find.
[...]
DH6. Refuting the Central Point.
The force of a refutation depends on what you refute. The most powerful form of disagreement is to refute someone's central point.
Even as high as DH5 we still sometimes see deliberate dishonesty, as when someone picks out minor points of an argument and refutes those. Sometimes the spirit in which this is done makes it more of a sophisticated form of ad hominem than actual refutation. For example, correcting someone's grammar, or harping on minor mistakes in names or numbers. Unless the opposing argument actually depends on such things, the only purpose of correcting them is to discredit one's opponent.
As Paul points out
The most obvious advantage of classifying the forms of disagreement is that it will help people to evaluate what they read. In particular, it will help them to see through intellectually dishonest arguments. An eloquent speaker or writer can give the impression of vanquishing an opponent merely by using forceful words. In fact that is probably the defining quality of a demagogue. By giving names to the different forms of disagreement, we give critical readers a pin for popping such balloons.Useful stuff - and something that makes reading the Editorial Page of the WSJ a lot more entertaining...
Update:
Of course, the classic ad hominem attack was from SNL - Jane you ignorant slut
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