Frank Jackson () formulates the intuition underlying his Jackson, F., , “Epiphenomenal Qualia”, Philosophical Quarterly Epiphenomenalism is the view that mental events are caused by physical Jackson, F. () “Epiphenomenal Qualia”, The Philosophical. The knowledge argument is a philosophical thought experiment proposed by Frank Jackson in his article “Epiphenomenal Qualia” () and extended in ” What.

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The Knowledge Argument Against Physicalism The knowledge argument is one of the main challenges to physicalism, the doctrine that the world is entirely physical. Moreover, it may be possible to formulate a representationalist version of the knowledge argument that inherits the force of the original Alter, Future physics may involve novel concepts that we cannot begin to imagine.

If it is conceivable that there be creatures such as my inverted twin or my zombie twin, then, the conceivability argument runs, this supports the metaphysical possibility of such creatures. But other philosophers doubt that the intuition derives from any such error. There are two possible strategies for a dualist to take who wishes to defend the knowledge argument. Baumgartner suggests that Shapiro and Sober’s approach quualia on a certain interventionist-inspired view of causation, but that attributions of causation in virtue of mental properties cannot be counted as making sense without departing from epiphrnomenal terms of that view.

Mary cannot deduce certain phenomenal truths from the complete physical truth only because she lacks the relevant concepts, such as the concept of phenomenal redness.

What causes Jones’s motion? Mary gains non propositional knowledge that does not fit easily into folk categories Churchland HodgsonW.

The following remarks by Levin are hard to deny:. V2 The stronger version of the knowledge argument: That is, we will have a sufficient explanation of behavioral reactions to stimuli that invokes exclusively neural properties. By using this site, you agree to the Terms of Use and Privacy Policy. Since “experiencing a quality is the most direct way to apprehend a quality,” Mary gains acquaintance with color qualia after release.


But P3 has this property on epiphenomenalist and interactionist views alike. Mary would therefore already know exactly what to expect of seeing red, before ever leaving the room.

Mirror Sites View this site from another server: The knowledge argument is one of several ways to articulate the suspicion that phenomenal consciousness is not physical. However here are some vague megalomaniacal ramblings to start a website discussion on this topic. But such a completely filled-in sketch will contain reference only to neural events, and the mental types with which they are identical will not be so much as mentioned.

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Roughly thirty years later, Feigl expresses a similar notion. Suppose that P1 is a physical state produced by the taste of Vegemite. New Philosophical Essays Oxford: The opponent epiphenokenal have to show that complete physical knowledge necessarily involves the capacity to imagine blue. A cannot know that B has an experience of a particular quality Q on certain occasions.

Pre-release Mary does not know all the physical truths, because high-level physical truths cannot in general be a priori deduced from low-level physical truths Horganvan GulickBlock and Stalnaker Jackson asks whether Mary will learn anything when she qualai released from her confinement and thus comes for the first time to have color experiences.

But, he goes on to argue, this revised version can again be rejected by quaalia counterexample that shows that the ability at issue is not sufficient for knowing what it is like: What about the truths that, according to Jackson, Mary does not learn until she leaves the room? Therefore, she does not learn any new fact. Maudsley were exponents of the view.


Knowledge argument – Wikipedia

Directly causing is an intransitive relation. Physicalism is an a posteriori necessity and is therefore compatible with the claim that the phenomenal truths are not deducible from the complete physical truth. David Chalmersone of the most prominent contemporary dualists, considers Jackson’s thought experiment to successfully show that materialism is false.

Thus described, the knowledge argument is not new with Jackson. Enhanced bibliography for this entry at PhilPaperswith links to its database.

The reason is that the revised version is compatible with the view that Mary does acquire knowing-that if she is not distracted when first seeing something red: Flanagan distinguishes metaphysical physicalism from linguistic physicalism.

Qualia: The Knowledge Argument

Arguments about epiphenomenalism may concern either type of mental event, and it should not be assumed that an argument given for one type can be rephrased without loss for the other. One might think that his view is incompatible with the intuition at issue. Walter Phenomenal Concepts and Phenomenal Knowledge: For example, tail length in mice offspring is caused by their parents’ genes, not by their parents’ tail length — and this can be empirically shown by cutting parental tails leaving their genotype constant and observing no effect on tail length of offspring.

FeiglT. But if qualia are causally impotent, how can a person know that she has an experience with a particular phenomenal character? Qualia and Materialism in Philosophy of Mind. Cambridge University Press,