Friday, February 09, 2007

3.05 We could only know a priori that a thought was true if its truth could be known from the thought itself (without any object of comparison).

Because we are talking about a priori truth here and because, it seems to be implied, no other thoughts can be involved, either because they would not help (because the truth of each is independent of the truth of others) or because other thoughts themselves would count as objects of comparison.

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