structure for 'Knowledge Sources'    |     alphabetical list of themes    |     expand these ideas

12. Knowledge Sources / A. A Priori Knowledge / 7. A Priori from Convention

[a priori knowledge simply reports our social consensus]

6 ideas
If, as Kant says, arithmetic and logic are contributed by us, they could change if we did [Russell on Kant]
The forms of 'knowledge' about logic which precede experience are actually regulations of belief [Nietzsche]
We can maintain a priori principles come what may, but we can also change them [Lewis,CI]
By changing definitions we could make 'a thing can't be in two places at once' a contradiction [Ayer]
Examination of convention in the a priori begins to blur the distinction with empirical knowledge [Quine]
We treat basic rules as if they were indefeasible and a priori, with no interest in counter-evidence [Field,H]