Physicalism and the knowledge argument

What is it about?

Suppose that, for one reason or another, the knowledge argument fails as a refutation of physicalism. Even so, it remains the case that there is a pressing question for physicalists raised by the argument. Does Mary acquire old information or misinformation when she leaves the black and white room? Answering this question requires physicalists to address the tricky question of the informational content of colour experiences – what information do colour experiences deliver by virtue of being the kinds of experiences they are.

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Why is it important?

Outlines a key issue materialists must address in responding to the knowledge argument