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Re: ...addendum

Posted by Larry Hoover on December 2, 2005, at 0:35:11 [reposted on December 3, 2005, at 14:38:51 | original URL]

In reply to Re: ...larry hoover » willyee, posted by Larry Hoover on December 1, 2005, at 23:06:34

> That is the form of the original poster's argument, recast to follow the form I laid out.
>
> I said: "I think it's also a fallacy of propositional logic, of the form 'if p and q, q therefore p'."
>
> I reorganized (and slightly amended) the wording of the original post, to place it in the form of a logical proposition.
>
> "I think I'm smarter than my pdoc, and I post to Babble. Other people post to Babble, therefore they think they're smarter than their pdoc."
>
> *I* don't believe that. I was saying the argument is fallacious. There is no evidence that most posters to babble think they are smarter than their pdoc. I just didn't do a very good job of stating my case, I guess.
>
> Alexandra! Help!
>
> Lar

I'm going to add this:

I think it's also a fallacy of propositional logic, of the form 'if p and q, q therefore p'

What I was trying to argue is this, in regular language. We happen to find one characteristic p, in company with another characteristic q (that's the 'if p and q' part). Then is it reasonable to assume that we will find p, if we have found q? (that's the 'q therefore p' part).

Really there's a question mark with the therefore. Is it reasonable to conclude that when we find q, we will inevitably find p?

No. There is no evidence to support that conclusion. At least none was given.

The original poster suggested it was true most of the time. Again, no evidence was provided to support that conclusion. The proposition, as a whole, is not proven. In practical terms, we might conclude that it is false, but I bet you the philosophers just say not proven, or not demonstrated (non demonstrare?).

And with that, off to bed.

Lar

 

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poster:Larry Hoover thread:585017
URL: http://www.dr-bob.org/babble/social/20051203/msgs/585030.html