This definition sets out what FW is a capacity or faculty. not, as in compatibilist definitions, which actions are free. Libertarians still think some actions are unfree in the compatibilist/legal sense.
For instance, a reasonable answer might be “external to our skulls”—but then this excludes, say, a brain tumor from “external circumstances”.
Externality needs to take history into account. To act on a hypnotic suggestion is not to act freely, even though
the proximate cause of your actions is inside your skull, because it got into your head in a way that bypassed
rational judgement.
This definition sets out what FW is a capacity or faculty. not, as in compatibilist definitions, which actions are free. Libertarians still think some actions are unfree in the compatibilist/legal sense.
Externality needs to take history into account. To act on a hypnotic suggestion is not to act freely, even though the proximate cause of your actions is inside your skull, because it got into your head in a way that bypassed rational judgement.