Against Pure A Priori-ism

In a recent article for Aeon magazine, Prof. Bruce Russell argues that all our justified beliefs ultimately rest on a priori justification. At first glance, this appears to be quite a claim, for surely some of our justification is a posteriori – how can empirical propositions such as, say, the sun will rise tomorrow, because it has risen in the past (the inductive proposition par excellence) turn out to be justified a priori? Russell argues that even induction is justified a priori – a contentious claim, to say the least, but not an indefensible one. The question of its viability, then, hinges on the quality of the arguments given in its defence. It is important to note at the outset and keep in mind Russell’s definition of a priori justification – this will prove significant later: Continue reading

Advertisements