Nov 29, I can’t help but leaving my reading of Frank Jackson’s Epiphenomenal Qualia with a sense of wonder and a grinning awe. This, independent of. Sep 3, Frank Jackson () formulates the intuition underlying his that knowledge about qualia is impossible if qualia are epiphenomenal and he. Oct 2, Jackson quotes are from “Epiphenomenal Qualia.” Jackson describes himself as “a qualia freak”. The word “qualia” is the plural of the word.

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More recently Michael Tye defends the acquaintance hypothesis as the right answer to the knowledge argument thereby abondoning his original response see below 4.

De Gruyter Harman, G. In a similar argument, philosopher Philip Pettit likens the case of Mary to patients suffering from akinetopsiathe inability to perceive the motion of objects. Not so Epiphenomenal Qualia. Obviously, Mary could not have first person thoughts about color experiences she could not use imagined blue experiences in order to refer and to think about blue experiences before she ever epiphdnomenal blue experiences. Or, to take qjalia examples from Eddington, what could a someone know about the effects of jokes if he had no sense of humor?

Using this new concept she can form new beliefs and acquire new knowledge about phenomenal blueness. Will she learn anything or not? Others say that qualia are not natural kind terms in that it is not up to the sciences to tell us what having an experience of a particular kind amounts to we know what it amounts to by having them and attending to the quality at issue.

The acceptability of its second premise P2 Mary lacks factual knowledge before release and of the inferences from P1 Mary has complete physical knowledge before release to C1 Mary knows all the physical facts and from P2 to C2 Mary does not know some facts before release depend on quite technical and controversial issues about a the appropriate theory of property concepts and their relation to the properties they express and b the appropriate theory of belief content.


Mary the neuroscientist 1. They have epiphenomennal too: Conee’s acquaintance hypothesis identifies a third category of knowledge, “knowledge by acquaintance of an experience,” that is not reducible to factual knowledge nor to knowing-how.

Therefore 3b There are non-physical facts concerning human color vision. There is no such possible situation.

Frank Jackson, Epiphenomenal qualia – PhilPapers

As these examples suggest, the idea that complete physical knowledge isn’t rrank for complete knowledge of phenomenal states has been around for a while. Here is one of epiphenomenwl best thought experiments in the whole of the philosophy of mind: Doubts about Perry’s proposal have been raised along the following lines. Maybe it leaves out epiphenomenal qualia. Jackson admits that there is a specific phenomenal way of representing but he now insists that the phenomenal way of representing can be accounted for in physcialist terms.

People vary in their ability to discriminate colors.

Knowledge argument

Dan Cavedon-Taylor – – Philosophia 37 1: But the example can be refined javkson meet these objections. But she had all the physical information. According to Lewis, …knowing what it is like is the possession of abilities: Open access to the SEP is made possible by a world-wide funding initiative. Formulated in this way, the view may appear similar to Conee’s acquaintance account.

Jackson suggests that Mary is simply discovering a new way for her brain to represent qualities that exist in the world. Jackson doesn’t see how Nagel’s argument tells against physicalism, since physicalism in no way entails that we should be able to imagine what it’s like to be a bat, nor should it Both may have believed, in a sense the non-phenomenal sense that does not require use of phenomenal concepts that the sky appears blue to normal perceivers while still in their black-and-white environment they may have been told so by their friends.


This, however, does not yet license any epiphrnomenal conclusions about the nature of the experiences that these discursively unlearnable facts are about. Request removal from index.

Meditation and the Scope of Mental Action. The Journal of Philosophy. Lycan’s account of Mary’s feank progress can be put, roughly, like this: But she had all the physical information.


The argument may thus be reformulated in two different ways: The utmost that he could predict on this subject would be that certain changes would take place in the mucous membrane, the olfactory nerves quallia so jackdon.

Premise P1 Mary has complete physical knowledge about human color vision before her release. Therefore, she does not learn any new fact. Concluding Remark The appropriate evaluation of the knowledge argument remains controversial. In other words, if you took a world just like this, duplicated it in all the physical respects, but changed its fundamental nature in all sorts of dramatic ways, the pains would hurt just as much.

For the sake of argument, we assume compete physical 1 or 2 predictability and explainability of the behavior of humans equipped with vision, a sense of humor, and sentiments of piety. It says something about the object.

Lewis’s main argument for the Ability Hypothesis can be summarized like this. According to Tye to have indexical knowledge of this kind is sufficient but not necessary for knowing what it is like to have a red experience. For the distinction between phenomenal and non-phenomenal belief see Nida-Rumelin and Trout,Contemporary MaterialismLondon: According to mainstream opinion the most serious problem for property dualism is the danger of being driven into epiphenomenalism. The Modal Argument A.

Others deny even the weaker version V1 and claim that Mary does not qualka any new propositional knowledge no new knowledge about jacskon that is the case, no factual knowledge. Subscribe to The Philosophers’ Magazine for exclusive content and access to 20 years of back issues. Hence, there is more to us than just the physical and physicalism is false. He especially objects to jsckson first premise of Churchland’s formulation: Nagel on the other frankk seems to be arguing that we cannot generalize from what our experience is like to what bat experience is like because they are too different from us a.