Rationally proving rationality

[tackattack]

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Once again, the same could be said about any type of thought. Just because it 'proves' itself doesn't mean it's the best or most objective. I could easily exchange the words rationally with irrationally and rational with irrational into the same quote and it works perfectly.

Okay, this part makes no sense. For something to be the best there must be some objective standard to measure it by. If we are talking about this world here, the standard would be correspondence to reality.
The term "most objective" is similarly senseless. Something is objective if it is based on reality and independent of a person's mind. Something that is objective, like rationality, is automatically the best way to gain knowledge about reality.

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Not going back too far into the conversation just thought I'd comment on the few things I've read so far, particularly quoted above. "Best" is not a statement of the degree of quality of a statement, "best" is a sum of the most useful. I agree that objectifialbe things are better than subjective things in most instances. It's not because they're more based in reality, but more useful in my percieved reality. I think that's an important distinction. I also don't think "objective" or "rational" necessitates a correlation to reality although they are often related. I believe objective reality is more useful than someone's personal reality only as far as that objective reality applies to the usefullness of my life seen through my subjective reality.