[ethn]

This is also the conclusion of Kant, free will is impossible to prove or disprove as it’s a question of the noumenon.

[gbjw]

Right: if you are a brain-in-a-vat observing some powerful play, what can you say about the world in which the vat is embedded? (or for that matter, how is it that you can even be made aware of the vat’s existence?)