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Consciousness

Consciousness. The knowledge argument. The Knowledge Argument. Mary knows all the physical facts about the world prior to her release. Mary learns something new upon her release. If (1) and (2), then Physicalism is false. [So] Physicalism is false. . The “Know How” Reply.

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Consciousness

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  1. Consciousness The knowledge argument

  2. The Knowledge Argument • Mary knows all the physical facts about the world prior to her release. • Mary learns something new upon her release. • If (1) and (2), then Physicalism is false. • [So] Physicalism is false.

  3. The “Know How” Reply • The Ability Hypothesis: Knowing what it’s like is not propositional knowledge, but a kind of know how. Someone knows what it’s like to see red iff he is able to imagine seeing red.

  4. A Puzzle about Belief • Disquotation: If a normal English speaker, on reflection, sincerely assents to 'p', then he believes that p. • Translation: If a sentence of one language expresses a truth in that language, then any translation of it into any other language also expresses a truth (in that other language). • Rationality: If a subject believes both p and not-p (at the same time), he is thereby irrational.

  5. A Puzzle About Belief • Sentence S is a mode of presentationfor proposition P iff S expresses the proposition that P. • Agent A believes P under Siff A believes P by accepting S.

  6. A Puzzle about Belief • Disquotation: If a normal English speaker, on reflection, sincerely assents to 'p', then he believes that p. • Translation: If a sentence of one language expresses a truth in that language, then any translation of it into any other language also expresses a truth (in that other language). • Rationality: If a subject believes both p and not-p (at the same time), he is thereby irrational. • Rationality*: If a subject believes both p and not-p (at the same time and in the same way), he is thereby irrational.

  7. The Knowledge Argument • Mary knows all the physical facts about the world prior to her release. • Mary learns something new upon her release. • If (1) and (2), then Physicalism is false. • [So] Physicalism is false.

  8. The New Knowledge/Old Fact Reply

  9. The Knowledge Argument • Mary knows all the physical facts about the world prior to her release. • Mary learns something new upon her release. • If (1) and (2), then Physicalism is false. • [So] Physicalism is false.

  10. The New Knowledge/Old Fact Reply

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