Physicalism and phenomenal consciousness

An influential argument against physicalism goes: (1) If physicalism is true, transposed and absent qualia are impossible; (2) Transposed and absent qualia are possible; (3) Therefore physicalism is false. I argue that physicalism commits you to the ‘strict implication thesis’, hence to a strong construal of premiss (1). Neither the identity theory nor ‘a posteriori physicalism’ provides a way out…