@kennethamy,
Out of interest, what kind of internalist approach can deal with Gettier-problems? I've yet to hear of one that does it satisfactorily.
emil wrote:
I don't think so.
An internalist would say you are justified in believing something told to you by somebody who you have good reason to
think is reliable, even if he isn't actually reliable e.g. some layman running around the philosophy department wearing academic dress, and calling himself a professor. An externalist would say something like the listening to the supposed expert actually has to generate true beliefs (as in Nozick's truth tracking theory), or that the belief has to come to you in the appropriate manner, e.g. there has to be a causal chain linking the fact P, the expert's belief in P, and your belief in P (as in Goldman's causal theory).
I'm not sure what an internalist notion of reliability is supposed to be (surely whether or not somebody is reliable necessarily depends on how often he is correct), but what you have said seems to be compatible with either externalism or internalism about knowledge. In fact, in the case of the causal theory, it is not even necessary for the authority to be a reliable one, all that is necessary is that his belief of P that he is passing on was actually caused by P. Nozick's theory makes it necessary that the authority is reliable: S knows P via method M iff:
1. S believes, via method or way of coming to believe M, that P
2. P is true
3. If P were not true, then S would not believe P via method M
4. If P were true, then S would believe P via method M
Regardless of P having a causal link with the supposed authority's belief in it, the the pupil would have believed P when told so even if it was false; therefore it is not knowledge as it does not satisfy (3). In the cases of genuine experts, if P were not true then they would not tell people that it was, thus (3) is satisfied.