Once more into the experimental breach. This post applies equally to Eddy (et al) and to Thomas and Adam’s paper, over at the X-phile website.
I’m thinking imaginative resistance (IR). IR is the phenomenon of readers failing to go along with the stipulations of authors. This happens most easily in moral cases, but it is not limited to such cases. JK Rowling can say that Harry Potter can fly on a broomstick, and – in the world of the books – it’s true that Harry Potter can fly on a broomstick. But if she said that Voldermort tortured an newborn kitten to death, and stipulated that he acted morally in so doing, it wouldn’t be true, even in the book, that Voldermort acted morally in doing so. Roughly, we get IR when an author stipulates that a concept applies to the description of a case when the facts upon which that concept supervenes are not in place (so IR comes in two basic forms: the claim that X is the case, when the supervenience base for X is missing, and the claim that X is not the case, when the – undefeated – supervenience base for X is present). For an understanding of IR along these lines, see Brian Weatherson, "Morality, Fiction, and Possibility" over at Philosopher’s Imprint)
Now, as Thomas and Adam note in their paper, in Eddy’s original studies some people failed to reason conditionally. They had to be asked to suspend disbelief (a majority stated that the scenario in which a supercomputer predicts with certainty that an agent will perform an immoral action 20 years later was impossible). Now, suppose that the folk, or at least a large proportion of the folk, are incompatibilists. That may commit them to the claim that libertarian free will is, or is part of, the supervenience base for the application of freedom. In effect, I am suggesting, the scenarios asked the participants to reason as if a concept applied, when the supervenience base of that concept failed to apply. They therefore would have experienced IR to the claim that the agents had free will (as evidenced by their initial failure to reason conditionally, and their claim that the scenario is impossible).
What happens if people are asked to reason conditionally about IR situations? I have no real idea: there is, to my knowledge, no data, and it is difficult to guess a priori. One possibility is that the folk will bracket the facts that form the supervenience base as if another set of facts were stipulated; another possibility is that they will bracket the supervenient property and reason as if another such property were stipulated (the one that is in fact held to be supervenient on the physical facts stipulated). My guess is that which way they will go will depend upon how difficult the scenario is to imagine, in its physical properties. In ‘Voldermort’, for instance, if they were asked whether Voldermort deserves praise for acting well, the folk would deny it, because it is all too easy to imagine torturing a kitten to death.
But in the deterministic scenarios which the studies present, the subjects may bracket the stipulated (subvenient) base. They may, in effect, substitute another set of physical facts for the ones stipulated: the kind of facts they believe actually apply. Given that people experience IR not merely to the holding of the concept stipulated in the light of the physical facts, but to the physical facts themselves, the case is not like 'Voldermort'. Instead, we should expect the supervenience base itself to go. But if that’s the case then it may well be that the studies tell us nothing about whether people believe that agents can be free or responsible in deterministic worlds.
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