Lewiss dissatisfaction together with own attempts to manage the situation lately preemption, in addition to their theorys incapacity to deal with ‘trumping preemption (Schaffer 2000a), led to the introduction of his 2000 theory. A deeper condition relating to preemption you to definitely pops up to possess chancy causation that 2000 principle will not target are chatted about when you look at the §5.4 below.
step 3. Lewiss 2000 Idea
So that you can handle the various dilemmas up against their 1973 idea, Lewis created yet another form of the fresh counterfactual concept, that he first exhibited in the Blackhead Lectures at the Harvard College within the February 1999. (A shortened variety of the lectures seemed given that his 2000. )
Counterfactuals gamble a central role regarding new concept, as with the outdated. But the counterfactuals they makes use of don’t just county dependences regarding whether you to definitely enjoy happens into the whether another skills occurs. This new counterfactuals county dependences from if, when, and exactly how you to definitely experiences takes place 
into whether, when, and exactly how various other enjoy takes place. A key tip from the materials of them counterfactuals would be the fact out-of a change away from a conference. This is an enthusiastic actualised or unactualised knowledge that takes place from the good somewhat more big date or in a somewhat more manner regarding the offered experience. A big change are, by definition, an extremely fine feel which could not exists in the an alternative time, or even in yet another manner without being an alternate event. 続きを読む
