PHIL 100W Lecture Notes - If And Only If

• School: Simon Fraser University
• Department: Philosophy
• Course: PHIL 100W
• Professor: Dc Mc

Document Summary

Nozick tracking account of knowledge has 4 conditions. S knows that p iff: p is true, s believes that p, ~p -> ~(s believes p) If both cases, if p had been false, s would still have believes p. Nozick uses the notion of possible worlds to marshal our intuitions. The actual world is a possible world. Everything actual is possible; not everything actual is possible. Non-actual possible world is not exactly like the actual world. Ex: there is a possible world in which i have blue hair. Some possible worlds will be closer to the target world (actual or story) than others. Those worlds have fewer differences compared to worlds that are farther away. So, we are to image the gettier story with as few changes as possible except for ~p. If it had been false that jones owns a ford or brown is in barcelona ,